vital capacity of trained athletes is ……….than that of non-athletes while the vital capacity of non-smokers is ……..than that of smokers.

Explanation

To answer the question regarding the vital capacity of trained athletes compared to non-athletes, and the vital capacity of non-smokers compared to smokers, we can break it down step by step.

### Step-by-Step Solution:

1. **Understanding Vital Capacity**:
- Vital capacity is defined as the maximum amount of air that a person can exhale from the lungs after taking the deepest possible breath. It is an important measure of lung function.

2. **Comparing Athletes and Non-Athletes**:
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